Array References

Given,

    INTEGER :: i = 3, j = 7
    REAL, DIMENSION(1:20) :: A

which of the following are valid array references for the array:

• A(12)
• A(21)
• A(I)
• A(3.0)
• A(I*J)
• A(1+INT(4.0*ATAN(1.0)))

[Hint: 4.0*ATAN(1.0) is ]

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